Home / 54,953.24-82,438.08-19,901.06

Finding the Fourth Proportional to 54,953.24, 82,438.08 and 19,901.06

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Solution

The fourth proportional to 54,953.24, 82,438.08 and 19,901.06 is: 29,854.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,953.24 : 82,438.08 = 19,901.06 : x
  2. Step 2: Convert to fraction form
    54,953.24/82,438.08 = 19,901.06/x
  3. Step 3: Cross multiply
    54,953.24x = 82,438.08 × 19,901.06
  4. Step 4: Simplify right side
    54,953.24x = 1,640,605,176.36
  5. Step 5: Solve for x
    x = 1,640,605,176.36/54,953.24
  6. Step 6: Final answer
    x = 29,854.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.